Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage decreases remains unchanged reverses polarity increases decreases remains unchanged reverses polarity increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 14,400 At/Wb 90,000 At/Wb 1,440 At/Wb 9,000 At/Wb 14,400 At/Wb 90,000 At/Wb 1,440 At/Wb 9,000 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Resistance Permanance Pole strength Reluctance Resistance Permanance Pole strength Reluctance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is None of the listed here The field of a set of parallel conductors The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant None of the listed here The field of a set of parallel conductors The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It starts rotating It assures a position right angle to magnetic field None of the listed here It assures a position which follows a line of magnetic flux It starts rotating It assures a position right angle to magnetic field None of the listed here It assures a position which follows a line of magnetic flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path higher lower zero little higher lower zero little ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS